Amplifiers – Modulator-demodulator-type amplifier
Reexamination Certificate
2006-09-19
2008-11-18
Mottola, Steven J (Department: 2817)
Amplifiers
Modulator-demodulator-type amplifier
Reexamination Certificate
active
07453316
ABSTRACT:
An amplifier circuit includes a first clock generator and a pulse width modulator. The first clock generator outputs a first clock of which frequency is dependent on the voltage level of a power supply voltage. The pulse width modulator generates a signal having a duration proportional to data based on the first clock.
REFERENCES:
patent: 2007/0008031 (2007-01-01), Kranz
patent: 2004-312594 (2004-11-01), None
patent: 2005-86611 (2005-03-01), None
Mottola Steven J
Oki Electric Industry Co. Ltd.
Volentine & Whitt P.L.L.C.
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